echo "<p>"
	echo "Environment variables $nb $choix $SCRIPT_PATH"
echo "</p>"

if [ $choix = add ]; then
	op="+"
	echo "$choix"
elif [ $choix = mlut ]; then
	op="*"
	echo "VARIABLE choix=$choix"
elif [ $choix = sub ]; then
	op="-"
	echo "VARIABLE SCRIPT_PATH=$SCRIPT_PATH"
elif [ $choix = div ]; then
	op="/"
	echo "VARIABLE SCRIPT_PATH=$SCRIPT_PATH"
else
	echo "I don't konw this choix!"
fi

echo "<p>"
if [ $choix = div ]; then
	for i in 1 2 3 4 5 6 7 8 9 ; do
		r=`expr $nb $op $i`
		echo "$nb$op$i = $r"
		echo "</br>"
	done
else	
	for i in 0 1 2 3 4 5 6 7 8 9 ; do
		r=$(( $nb ${op} $i ))
		echo "$nb$op$i = $r"
		echo "</br>"
	done
fi
echo "</p>"
